Thread: Log file in PLC
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Old October 6th, 2002, 07:34 AM   #4
Allen Nelson
United States

Allen Nelson is offline
Join Date: Apr 2002
Location: West Chester, PA
Posts: 1,368
PLC memory is limited, and predetermined. In creating a log file, you need to decide, up front, how many log records you will be storing, and the amount and type of the data each "record" will contain.

I want to save the value of the sensor failure in a log file
The input is discret
Then the "value" is either One or Zero.

How are you determining that the sensor has "failed"?
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